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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater, Diagnosis - 911 CARRERA (996) >> System H 01 >> System description >> Heating section

Heating section

The heating system is controlled on the air side, i.e. coolant continuously flows through the heat exchanger. The heating is regulated via the position of the temperature mixing valve.

Depending on the position of the temperature mixing valve, a certain portion of armed air is mixed with the fresh air from the outside.